Home / 170,719.93-235,673.22-99,086.11

Finding the Fourth Proportional to 170,719.93, 235,673.22 and 99,086.11

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Solution

The fourth proportional to 170,719.93, 235,673.22 and 99,086.11 is: 136,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,719.93 : 235,673.22 = 99,086.11 : x
  2. Step 2: Convert to fraction form
    170,719.93/235,673.22 = 99,086.11/x
  3. Step 3: Cross multiply
    170,719.93x = 235,673.22 × 99,086.11
  4. Step 4: Simplify right side
    170,719.93x = 23,351,942,600.97
  5. Step 5: Solve for x
    x = 23,351,942,600.97/170,719.93
  6. Step 6: Final answer
    x = 136,785.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.